CVE-2026-58655

The bundled Grav Flex Objects plugin getgrav/grav-plugin-flex-objects before 1.4.0 contains a stored server-side template injection vulnerability. When rendering dynamic collection or object titles, the plugin passes user-controlled frontmatter values page.header.flex.collection.title or...

CVE-2026-58655 Grav Flex Objects - Server-Side Template Injection via Dynamic Titles

The bundled Grav Flex Objects plugin getgrav/grav-plugin-flex-objects before 1.4.0 contains a stored server-side template injection vulnerability. When rendering dynamic collection or object titles, the plugin passes user-controlled frontmatter values page.header.flex.collection.title or...

CVE-2026-58655 Grav Flex Objects - Server-Side Template Injection via Dynamic Titles

The bundled Grav Flex Objects plugin getgrav/grav-plugin-flex-objects before 1.4.0 contains a stored server-side template injection vulnerability. When rendering dynamic collection or object titles, the plugin passes user-controlled frontmatter values page.header.flex.collection.title or...

EUVD-2026-44633

The bundled Grav Flex Objects plugin getgrav/grav-plugin-flex-objects before 1.4.0 contains a stored server-side template injection vulnerability. When rendering dynamic collection or object titles, the plugin passes user-controlled frontmatter values page.header.flex.collection.title or...

CVE-2026-58486

HedgeDoc is an open source, real-time, collaborative, markdown notes application. Prior to version 1.11.0, HedgeDoc was vulnerable to a YAML alias bomb due to unsafe processing of the note frontmatter. HedgeDoc parsed frontmatter with js-yaml.load js-yaml v3 via @hedgedoc/meta-marked, which...

CVE-2026-58486 HedgeDoc: Denial-of-service via YAML alias expansion in note frontmatter

HedgeDoc is an open source, real-time, collaborative, markdown notes application. Prior to version 1.11.0, HedgeDoc was vulnerable to a YAML alias bomb due to unsafe processing of the note frontmatter. HedgeDoc parsed frontmatter with js-yaml.load js-yaml v3 via @hedgedoc/meta-marked, which...

CVE-2026-58486 HedgeDoc: Denial-of-service via YAML alias expansion in note frontmatter

HedgeDoc is an open source, real-time, collaborative, markdown notes application. Prior to version 1.11.0, HedgeDoc was vulnerable to a YAML alias bomb due to unsafe processing of the note frontmatter. HedgeDoc parsed frontmatter with js-yaml.load js-yaml v3 via @hedgedoc/meta-marked, which...

CVE-2026-58486

HedgeDoc is an open source, real-time, collaborative, markdown notes application. Prior to version 1.11.0, HedgeDoc was vulnerable to a YAML alias bomb due to unsafe processing of the note frontmatter. HedgeDoc parsed frontmatter with js-yaml.load js-yaml v3 via @hedgedoc/meta-marked, which...

CVE-2026-58486

CVE-2026-58486: HedgeDoc prior to 1.11.0 is vulnerable to a YAML alias bomb in note frontmatter. HedgeDoc parses frontmatter with js-yaml.load (js-yaml v3) via @hedgedoc/meta-marked, resolving YAML anchors and potentially expanding a malicious payload into a huge object, consuming CPU on each req...

PT-2026-57919

Name of the Vulnerable Software and Affected Versions HedgeDoc versions prior to 1.11.0 Description Unsafe processing of note frontmatter allows a YAML alias bomb, where a compact malicious payload expands into a massive object structure. This occurs because the application uses js-yaml.load...

CVE-2026-15505

A weakness has been identified in vnotex vnote up to 3.20.1. Impacted is an unknown function of the file /src/data/extra/web/js/markdownit.js of the component YAML Frontmatter. This manipulation of the argument pmetaData causes cross site scripting. The attack may be initiated remotely. The vendo...

EUVD-2026-43246

A weakness has been identified in vnotex vnote up to 3.20.1. Impacted is an unknown function of the file /src/data/extra/web/js/markdownit.js of the component YAML Frontmatter. This manipulation of the argument pmetaData causes cross site scripting. The attack may be initiated remotely. The vendo...

CVE-2026-15505 vnotex vnote YAML Frontmatter markdownit.js cross site scripting

A weakness has been identified in vnotex vnote up to 3.20.1. Impacted is an unknown function of the file /src/data/extra/web/js/markdownit.js of the component YAML Frontmatter. This manipulation of the argument pmetaData causes cross site scripting. The attack may be initiated remotely. The vendo...

CVE-2026-15505

The CVE concerns vnotex vnote (up to version 3.20.1) where the YAML Frontmatter component exposes cross-site scripting via the file /src/data/extra/web/js/markdownit.js. The issue arises from manipulation of the argument p_metaData in the YAML Frontmatter code, which can potentially be exploited ...

CVE-2026-59711

A flaw was found in showdown. This cross-site scripting XSS vulnerability occurs in the metadata title handling when the completeHTMLDocument option is enabled. An attacker can exploit this by injecting unescaped less-than and greater-than characters into markdown frontmatter metadata. This allow...

CVE-2026-59711

showdown contains a cross-site scripting vulnerability in metadata title handling that allows attackers to inject arbitrary HTML and JavaScript. When completeHTMLDocument option is enabled, unescaped less-than and greater-than characters in markdown frontmatter metadata are inserted directly into...

CVE-2026-59711

CVE-2026-59711 affects the showdown library. A cross-site scripting vulnerability exists in metadata title handling when the completeHTMLDocument option is enabled; unescaped characters in markdown frontmatter metadata are placed into HTML title tags, allowing script execution in the rendered pa...

CVE-2026-59711 showdown - Cross-Site Scripting via Unescaped Metadata Title in completeHTMLDocument

showdown contains a cross-site scripting vulnerability in metadata title handling that allows attackers to inject arbitrary HTML and JavaScript. When completeHTMLDocument option is enabled, unescaped less-than and greater-than characters in markdown frontmatter metadata are inserted directly into...

CVE-2026-59711 showdown - Cross-Site Scripting via Unescaped Metadata Title in completeHTMLDocument

showdown contains a cross-site scripting vulnerability in metadata title handling that allows attackers to inject arbitrary HTML and JavaScript. When completeHTMLDocument option is enabled, unescaped less-than and greater-than characters in markdown frontmatter metadata are inserted directly into...

CVE-2026-59711

showdown contains a cross-site scripting vulnerability in metadata title handling that allows attackers to inject arbitrary HTML and JavaScript. When completeHTMLDocument option is enabled, unescaped less-than and greater-than characters in markdown frontmatter metadata are inserted directly into...